CompTIA XK0-004 Online Practice Questions and Exam Preparation

CompTIA XK0-004 Online Questions & Answers

• Question 331:

  An administrator wants to know the amount of memory installed on a Linux server. Which of the following commands can be used to accomplish this task?

  A. cat /sys/proc/meminfo
  B. cat /proc/meminfo
  C. cat /proc/sys/meminfo
  D. cat /sys/meminfo
  D. cat /sys/meminfo

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  Reference: https://devconnected.com/how-to-check-ram-on-linux/#:~:text=The%20most%20popular% 20command%20in,use%20the%20"free"%20command.andtext=As%20you%20can%20see%2C%20the, (also%20called%20virtual% 20memory)

• Question 332:

  A Linux administrator is developing a Bash script to close specific ports on a server firewall. The administrator is not certain of the default port for the Internet Message Access Protocol. Which of the following files should the administrator check to determine the default port?

  A. /etc/network
  B. /etc/default/ufw
  C. /etc/resolv.conf
  D. /etc/services
  D. /etc/services

• Question 333:

  A security administrator wants to display a warning banner before a user logs in. Which of the following files must be edited to make this happen?

  A. /etc/services
  B. /etc/issue
  C. /etc/hosts
  D. /etc/motd
  D. /etc/motd

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  Reference: https://kerneltalks.com/tips-tricks/how-to-configure-login-banners-in-linux/

• Question 334:

  Users in the payroll department are not configured to use DNS due to security concerns. The users ask the junior Linux administrator to configure their workstations to access the payroll server at 192.168.204.11 by the name "Payroll". Which of the following commands should the administrator issue to meet this request?

  A. echo "nameserver 192.168.204.11 #Payroll" >> /etc/resolv.conf
  B. echo "net.ipv4.ip_dynaddr=192.168.204.11 Payroll" >> /etc/sysctl.conf
  C. echo "192.168.204.11 Payroll" >> /etc/hosts
  D. echo `IPADDR="192.168.204.11" #Payroll' >> /etc/network/interface
  C. echo "192.168.204.11 Payroll" >> /etc/hosts

• Question 335:

  Vytvcft of the following a a fie that can define how to build deploy and mstaf various components for a Linux application hosted m a cloud environment?

  A. OVF
  B. YAML
  C. Virsh
  D. VMM
  B. YAML

• Question 336:

  When a technician plugs a USB flash drive into a server, the drive does not mount automatically. Which of the following commands will provide the information needed to mount the drive manually?

  A. modinfo
  B. lshw
  C. lspci
  D. mount
  D. mount

• Question 337:

  A Linux administrator needs to add some files in a directory to the Git repository but must exclude some local .tmp files that are occasionally created by the scripts.

  Which of the following is the BEST way to accomplish this task?

  A. git rm .tmp
  B. git add -x .tmp *
  C. echo .tmp >> .gitignore
  D. rm -rf .tmp
  C. echo .tmp >> .gitignore

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  Reference: https://stackoverflow.com/questions/46383506/add-files-to-gitignore-directly-from-git-shell

• Question 338:

  Which of the following commands allow an administrator to determine if the current system is a virtual machine?

  A. lspci
  B. mdadm
  C. vmstat
  D. vgdisplay
  A. lspci

• Question 339:

  A systems administrator is troubleshooting an intermittent network connection at the IP address 192.168.1.23. The administrator wishes to monitor the connection at five-minute intervals for one hour. Which of the following commands will accomplish this task?

  A. ping -i 5 192.168.1.23
  B. ping -c 12 192.168.1.23
  C. ping -c 12 -i 300 192.168.1.23
  D. ping -c 60 -i 100 192.168.1.23
  B. ping -c 12 192.168.1.23

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  Reference: https://linuxize.com/post/linux-ping-command/

• Question 340:

  An administrator receives an alarm because the disk of one of the sewers is running out of space. Which of the following commands can be used to see the space that each partition is using?

  A. df -h
  B. du -scg /
  C. fdisk -l
  D. fsck /
  A. df -h